On Sat, Sep 07, 2013 at 03:42:55AM -0700, cac2s wrote:
> The question is not why vim does not open undo files, but that is why
> owners of these files are different?

In the common case (not editing as root), even if you can edit a file
not owned by you, you can't create files that aren't owned by you.

> For example, if I edit the file list.txt as root, and it belongs to
> the www-data:www-data, undo file will be saved in
> /root/.vim/undofiles/, but use it when I reopen list.txt I can't,
> because undo file will belong to root:www-data, but not to
> www-data:www-data

root-specific code could probably be added, but that doesn't solve the
problem for a normal user that can edit due to group membership/ACLs.
The undo file would still have a different user.

Cheers,
-- 
James
GPG Key: 4096R/331BA3DB 2011-12-05 James McCoy <[email protected]>

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